PTC Resettable Fuses

Manufacturer Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing

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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
60R020XU

60R020XU

PTC RESET FUSE 60V 200MA RADIAL

Littelfuse Inc.

1,413 -
RFQ
60R020XU

Datasheet

Radial, Disc POLY-FUSE®, 60R Bulk Active Polymeric 60V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.461" (11.70mm) - 0.201" (5.10mm)
1206L150THWR

1206L150THWR

PTC RESET FUSE 8V 1.5A 1206

Littelfuse Inc.

53,020 -
RFQ
1206L150THWR

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 8V 1.5 A 3 A 100 A 300 ms 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.039" (1.00mm) -
MF-USMF035-2

MF-USMF035-2

PTC RESET FUSE 6V 350MA 1210

Bourns Inc.

29,121 -
RFQ
MF-USMF035-2

Datasheet

1210 (3225 Metric), Concave Multifuse®, MF-USMF Tape & Reel (TR) Active Polymeric 6V 350 mA 750 mA 40 A 200 ms 200 mOhms 1.3 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
1812L014DR

1812L014DR

PTC RESET FUSE 60V 140MA 1812

Littelfuse Inc.

11,365 -
RFQ
1812L014DR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 60V 140 mA 340 mA 10 A 150 ms 1.5 Ohms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.077" (1.95mm) -
PFSM.050.2

PFSM.050.2

PTC RESET FUSE 60V 500MA 2SMD

SCHURTER Inc.

7,576 -
RFQ
PFSM.050.2

Datasheet

2-SMD PFSM Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 40 A 4 s 350 mOhms 1.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.289" L x 0.214" W (7.36mm x 5.44mm) - 0.125" (3.18mm) -
PFSM.030.2

PFSM.030.2

PTC RESET FUSE 60V 300MA 2SMD

SCHURTER Inc.

7,262 -
RFQ
PFSM.030.2

Datasheet

2-SMD PFSM Tape & Reel (TR) Active Polymeric 60V 300 mA 600 mA 40 A 3 s 900 mOhms 4.8 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.289" L x 0.214" W (7.36mm x 5.44mm) - 0.125" (3.18mm) -
PFSM.100.2

PFSM.100.2

PTC RESET FUSE 30V 1.1A 2SMD

SCHURTER Inc.

5,923 -
RFQ
PFSM.100.2

Datasheet

2-SMD PFSM Tape & Reel (TR) Active Polymeric 30V 1.1 A 2.2 A 80 A 500 ms 120 mOhms 480 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.289" L x 0.214" W (7.36mm x 5.44mm) - 0.118" (3.00mm) -
0ZRP0050FF1E

0ZRP0050FF1E

PTC RESET FUSE 60V 500MA RADIAL

Bel Fuse Inc.

2,832 -
RFQ
0ZRP0050FF1E

Datasheet

Radial, Disc 0ZRP Bulk Active Polymeric 60V 500 mA 1 A 40 A 800 ms 320 mOhms 900 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.280" L x 0.142" W (7.10mm x 3.60mm) 0.450" (11.43mm) - 0.201" (5.10mm)
MF-RX160/72-2

MF-RX160/72-2

PTC RESET FUSE 72V 1.6A RADIAL

Bourns Inc.

105,221 -
RFQ
MF-RX160/72-2

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" L x 0.122" W (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
RKEF110

RKEF110

PTC RESET FUSE 60V 1.1A RADIAL

Littelfuse Inc.

64,879 -
RFQ
RKEF110

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 1.1 A 2.2 A 40 A 3 s 170 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.299" L x 0.161" W (7.60mm x 4.10mm) 0.591" (15.00mm) - 0.199" (5.05mm)
60R025XU

60R025XU

PTC RESET FUSE 60V 250MA RADIAL

Littelfuse Inc.

27,651 -
RFQ
60R025XU

Datasheet

Radial, Disc POLY-FUSE®, 60R Bulk Active Polymeric 60V 250 mA 500 mA 40 A 2.5 s 1.25 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
NANOASMDC020F-2

NANOASMDC020F-2

PTC RESET FUSE 24V 200MA 1206

Littelfuse Inc.

14,320 -
RFQ
NANOASMDC020F-2

Datasheet

1206 (3216 Metric), Concave PolySwitch®, nanoASMD Tape & Reel (TR) Active Polymeric 24V 200 mA 420 mA 100 A 100 ms 650 mOhms 3.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.59mm) - 0.032" (0.82mm) -
RUEF250-2

RUEF250-2

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

6,916 -
RFQ
RUEF250-2

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 2.5 A 5 A 100 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.199" (5.05mm)
0ZCF0300AF2C

0ZCF0300AF2C

PTC RESET FUSE 15V 3A 2920

Bel Fuse Inc.

4,925 -
RFQ
0ZCF0300AF2C

Datasheet

2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 15V 3 A 5.2 A 100 A 20 s 10 mOhms 48 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.045" (1.15mm) -
1812L075PR

1812L075PR

PTC RESET FUSE 13.2V 750MA 1812

Littelfuse Inc.

3,744 -
RFQ
1812L075PR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 13.2V 750 mA 1.5 A 100 A 200 ms 100 mOhms 450 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.030" (0.75mm) -
1812L150ZR

1812L150ZR

PTC RESET FUSE 8V 1.25A 1812

Littelfuse Inc.

2,999 -
RFQ
1812L150ZR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 8V 1.25 A 3 A 100 A 300 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
1210L050YR

1210L050YR

PTC RESET FUSE 13.2V 500MA 1210

Littelfuse Inc.

13,855 -
RFQ
1210L050YR

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 13.2V 500 mA 1 A 100 A 50 ms 250 mOhms 900 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.033" (0.85mm) -
PFDF.050.2

PFDF.050.2

PTC RESET FUSE 60V 550MA 2018

SCHURTER Inc.

7,998 -
RFQ
PFDF.050.2

Datasheet

2018 (5045 Metric) PFDF Tape & Reel (TR) Active Polymeric 60V 550 mA 1.2 A 10 A 3 s 200 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.043" (1.09mm) -
MINIASMDC010F-2

MINIASMDC010F-2

PTC RESET FUSE 60V 100MA 1812

Littelfuse Inc.

7,113 -
RFQ
MINIASMDC010F-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 60V 100 mA 300 mA 40 A 5 s 700 mOhms 12.7 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.89mm) -
1812L125/16DR

1812L125/16DR

PTC RESET FUSE 16V 1.25A 1812

Littelfuse Inc.

6,393 -
RFQ
1812L125/16DR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 16V 1.25 A 2.5 A 100 A 400 ms 50 mOhms 140 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
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